South Dakota Dams

2,541 dams tracked by the National Inventory of Dams

Total Dams

2,541

High Hazard

86

3.4%

Poor / Unsatisfactory

34

Average Age

68 yrs

Hazard Classification

High86 (3.4%)
Significant149 (5.9%)
Low2,306 (90.8%)

Condition Assessment

Satisfactory9 (0.4%)
Fair41 (1.6%)
Poor / Unsatisfactory34 (1.3%)
Not Rated2,457 (96.7%)

Federal

158

State

171

Local

84

Private

2,125

Poor Condition Dams

All Dams in South Dakota

Showing 951975 of 2,541

Dam NameHeight (ft)YearHazardCondition
Olson Ranches INC. #14

Jones County

261979LowNot Rated
Olson Ranches INC. #13

Jones County

311977LowNot Rated
Olson Ranches INC. #12

Jones County

261956LowNot Rated
Olson Ranches INC. #10

Jones County

281956LowNot Rated
Olson Ranches INC. #1

Jones County

271957LowNot Rated
Olson Number 3

Jones County

261954LowNot Rated
Olson Number 2

Jones County

271954LowNot Rated
Olson Number 1

Jones County

281953LowNot Rated
Olson No. 2

Mellette County

281966LowNot Rated
Olson No. 1

Mellette County

261962LowNot Rated
Olson Dam

Corson County

251975LowNot Rated
Olson #4

Jones County

251967LowNot Rated
Olsen Dam

Buffalo County

351952SignificantNot Rated
Olsen Dam

Ziebach County

181995LowNot Rated
Olsen Dam

Meade County

331980LowNot Rated
Ollie Stomprud

Meade County

211956LowNot Rated
Ole Lake Dam

Kingsbury County

81990LowFair
Oleary Ranch 2

Dewey County

231969LowNot Rated
Oleary Ranch 1

Dewey County

311969LowNot Rated
Oleary

Dewey County

151945LowNot Rated
Old Town Dam

Pennington County

141941LowNot Rated
Old Stickney

Aurora County

101926LowNot Rated
Okaton Dam

Jones County

221930LowNot Rated
O. Jewett

Dewey County

191936LowNot Rated
Oja No.2

Harding County

131949LowNot Rated
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.